blob: c754cf9d6bffed7e38df69c39c8b958975f3e1da [file] [log] [blame]
// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=befac1c29ed21507d367e4d824383a04
REG_FIDDLE(ColorTypeValidateAlphaType, 256, 640, false, 0) {
void draw(SkCanvas* canvas) {
const char* colors[] = { "Unknown", "Alpha_8", "RGB_565", "ARGB_4444", "RGBA_8888", "RGB_888x",
"BGRA_8888", "RGBA_1010102", "RGB_101010x", "Gray_8", "RGBA_F16Norm",
"RGBA_F16" };
const char* alphas[] = {"Unknown ", "Opaque ", "Premul ", "Unpremul"};
SkAlphaType alphaTypes[] = { kUnknown_SkAlphaType, kOpaque_SkAlphaType, kPremul_SkAlphaType,
kUnpremul_SkAlphaType
};
SkPaint paint;
SkFont font(SkTypeface::MakeFromName("monospace", SkFontStyle()), 10);
int y = 15;
canvas->drawString(" colorType alphaType canonical", 10, y, font, paint);
for (SkColorType colorType : {
kUnknown_SkColorType, kAlpha_8_SkColorType, kRGB_565_SkColorType,
kARGB_4444_SkColorType, kRGBA_8888_SkColorType, kRGB_888x_SkColorType,
kBGRA_8888_SkColorType, kRGBA_1010102_SkColorType, kRGB_101010x_SkColorType,
kGray_8_SkColorType, kRGBA_F16_SkColorType
} ) {
for (SkAlphaType alphaType : alphaTypes) {
SkAlphaType canonicalAlphaType = kUnknown_SkAlphaType;
bool result = SkColorTypeValidateAlphaType(colorType, alphaType, &canonicalAlphaType);
SkString string;
string.printf("%13s %10s %10s", colors[(int) colorType], alphas[(int) alphaType],
result ? alphas[(int) canonicalAlphaType] : "------ ");
canvas->drawString(string, 10, y += 14, font, paint);
}
}
}
} // END FIDDLE